Tehuantepec Forecast
April 22, 2026, 3:01 pm (UTC: -04:00)
Subject: Tehuantepec Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
WARNINGS
.NONE.
A WEAK COLD FRONT CONTINUES TO MOVE ACROSS BAJA CALIFORNIA NORTE
AND ADJACENT WATERS THIS MORNING, WHILE A BROAD AND WEAK SURFACE
RIDGE PREVAILS ACROSS THE REMAINDER BAJA OFFSHORES TO THE
SOUTHEAST OF THE FRONT. OVERNIGHT SATELLITE SCATTEROMETER DATA
CONFIRMED MODERATE TO FRESH NW WINDS AHEAD OF THE FRONT FROM
SEBASTIAN VIZCAINO BAY TO PUNTA ABREOJOS WHERE ALTIMETER DATA
SHOW SEAS IN THE 4 TO 7 FT RANGE IN MIXED S AND NEW NW SWELL.
RECENT SATELLITE ALTIMETER DATA SHOWS SEAS OF 8 TO 9 FT IN THIS
AREA OF FRESH NW WINDS JUST OFFSHORE OF SEBASTIAN VIZCAINO BAY.
IN THE NORTHERN GULF OF CALIFORNIA, MODERATE TO FRESH NW TO N
WINDS ARE BEGINNING TO FILL IN ACROSS THE GULF BEHIND OF THE
FRONT. IN THE GULF OF TEHUANTEPEC, N GAP WINDS ARE MODERATE TO
FRESH AND SEAS TO 5-6 FT. ELSEWHERE, WINDS ARE LIGHT TO GENTLE
AND SEAS 5-6 FT IN S SWELL, EXCEPT TO 3 FT IN THE GULF OF
CALIFORNIA. SCATTERED MODERATE CONVECTION IS OCCURRING OVER
PORTIONS OF WESTERN OAXACA AND EASTERN GUERRERO AND THE ADJACENT
WATERS.
FOR THE FORECAST, HIGH PRESSURE IN THE GULF OF AMERICA WILL
CONTINUE TO WEAKEN TODAY AS IT SHIFTS NORTHEASTWARD, LEADING TO
A SIGNIFICANT DECREASE IN GAP WINDS ACROSS THE GULF OF
TEHUANTEPEC. THE WEAK COLD FRONT WILL CONTINUE TO MOVE
SOUTHEASTWARD AND DISSIPATE ACROSS CENTRAL BAJA LATER TODAY. NEW
HIGH PRESSURE BEHIND THIS FRONT WILL BUILD ACROSS THE BAJA
WATERS TODAY THROUGH THU, AND ACT TO INCREASE WINDS MODESTLY
THROUGH EARLY FRI BEFORE WEAKENING INTO FRI NIGHT. NW SWELL
GENERATED BEHIND THE FRONT WILL CONTINUE TO MOVE ACROSS THE BAJA
CALIFORNIA NORTE WATERS AND SPREAD SOUTHEASTWARD TO THE
REVILLAGIGEDO ISLANDS THROUGH THU. SEAS ARE EXPECTED TO PEAK TO
AT 8-9 FT ACROSS NORTH AND CENTRAL PORTIONS OF THE BAJA WATERS
WITH THIS SWELL. ELSEWHERE, MOSTLY LIGHT TO GENTLE WEST TO
NORTHWEST WINDS ARE EXPECTED THROUGH THE WEEKEND.
SHORT-TERM TEHUANTEPEC
TODAY - Not available yet
TONITE - Not available yet
THURSDAY - SW 10-12, Seas SSW 1.8-4.4 ft @ 14sec
THURSDAY NIGHT - NW 3-4, Seas SSW --? ft @ 15sec
LONG-TERM TEHUANTEPEC
FRIDAY - SSW 9-11, Seas SSW 2-4 ft @ 13sec
SATURDAY - SW 10-12, Seas SSW 2.1-4 ft @ 13sec
SUNDAY - SW 8-10, Seas SSW 1.5-3.9 ft @ 17sec
MONDAY - WSW 7-9, Seas SSW 1.4-4 ft @ 16sec
TUESDAY - SW 7-9, Seas N/A ?-? ft @ ?